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| author | David S. Miller <davem@sunset.davemloft.net> | 2007-05-14 02:01:52 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-05-14 02:01:52 -0700 |
| commit | 17f34f0ec96783851abcabf9878f8237ac67e4e7 (patch) | |
| tree | cfdb3420a4b4b3142d762e8f75e5c904fd8a8c6a /arch/sparc64/kernel/smp.c | |
| parent | ec6fb1ad84551741c14a05918cc0e04dea928fc0 (diff) | |
[SPARC64]: Add missing cpus_empty() check in hypervisor xcall handling.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/smp.c')
| -rw-r--r-- | arch/sparc64/kernel/smp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index 8087d67a0cf..24fdf1d0adc 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -561,6 +561,9 @@ static void hypervisor_xcall_deliver(u64 data0, u64 data1, u64 data2, cpumask_t unsigned long flags, status; int cnt, retries, this_cpu, prev_sent, i; + if (cpus_empty(mask)) + return; + /* We have to do this whole thing with interrupts fully disabled. * Otherwise if we send an xcall from interrupt context it will * corrupt both our mondo block and cpu list state. |